发明名称 INK JET RECORDING INK SET
摘要 Disclosed is an ink set for use in an ink jet recording process, wherein at least two aqueous inks A and B having different hues are superimposed to form a color image. The ink set can give a clear color image by high speed printing having good resolution without bleeding in the boundaries between two colors. Disclosed also are a method, an ink cartridge and an apparatus for ink jet recording using the above ink set. The ink set is characterized in that, of the two aqueous inks A and B, one ink A includes a coloring material A having an anionic group and in that the other ink B includes a coloring material B and a quaternary ammonium salt having at least one alkyl group which has 6 or less carbon atoms and which has a hydroxyl group.
申请公布号 EP1405882(A4) 申请公布日期 2004.12.08
申请号 EP20020741195 申请日期 2002.06.19
申请人 RICOH COMPANY, LTD. 发明人 NAGAI, KIYOFUMI
分类号 C09D11/40;B41J2/01;B41J2/175;(IPC1-7):C09D11/00;B41M5/00 主分类号 C09D11/40
代理机构 代理人
主权项
地址